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whats the difference in hp ea 3.9 injected to 4.0 injected 

 

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 Post subject: whats the difference in hp ea 3.9 injected to 4.0 injected
Posted: Sun Aug 29, 2010 1:04 pm 
Parts Gopher
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Age: 36

Posts: 82

Joined: 25th Jun 2010

Ride: ba fairmont ghia 5.4

Location: newcastle
NSW, Australia

hey everyone im just wanting to know whats the difference in horse power ea 3.9 injected motor to a 4.0 injected motor cheers
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 Post subject: Re: whats the difference in hp ea 3.9 injected to 4.0 injected
Posted: Sun Aug 29, 2010 1:09 pm 
Getting Side Ways
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Age: 40

Posts: 524

Joined: 15th Aug 2010

Ride: Territory SX TX

Location: Townsville
QLD, Australia

Which type of injection? the EA 3.9 single point efi had about 120kw, the 3.9 mpefi had about 140 kw give or take a few from memory and the 4.0 mpefi had 147kw all at the flywheel i imagine.
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 Post subject: Re: whats the difference in hp ea 3.9 injected to 4.0 injected
Posted: Sun Aug 29, 2010 1:19 pm 
Getting Side Ways
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Ride: ef falcon, el fairmont ghia

Location: Christchurch
New Zealand

your 1kw off lol 139 and 148
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 Post subject: Re: whats the difference in hp ea 3.9 injected to 4.0 injected
Posted: Sun Aug 29, 2010 1:21 pm 
Parts Gopher
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Age: 36

Posts: 82

Joined: 25th Jun 2010

Ride: ba fairmont ghia 5.4

Location: newcastle
NSW, Australia

hey dazza i have 4.0 in my eb and the motor is gone not worth fixing i have a very last of the ea sitting in my drive way it has got the mulit injected motor in it and im thinking off putting it in my eb so i just wanted to know what the diffrence was in horse power i just wanted to see how much hp im going to loose.
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 Post subject: Re: whats the difference in hp ea 3.9 injected to 4.0 injected
Posted: Sun Aug 29, 2010 1:32 pm 
Getting Side Ways
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Age: 40

Posts: 524

Joined: 15th Aug 2010

Ride: Territory SX TX

Location: Townsville
QLD, Australia

Was close, I havent looked at the numbers since I was a 16 yo when they came out. We had a new EB2 and I used to give my mates who owned commodores s**t cos they had 130 kw or whatever it was...
Back to the point though, is there a difference between the late 3.9 and the 4.0 apart from the difference in swept volume ie computer or cam?
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